Re: Matrix construction

*To*: mathgroup at smc.vnet.net*Subject*: [mg101113] Re: Matrix construction*From*: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>*Date*: Wed, 24 Jun 2009 06:33:47 -0400 (EDT)*References*: <h1qcq7$7qk$1@smc.vnet.net>

I'm not really sure whether this meets your requirements, but you might give ArrayFlatten a try. Cheers -- Sjoerd On Jun 23, 1:03 pm, Haibo Min <yshdf... at gmail.com> wrote: > Hi, everyone. > I know that matrix can be constructed via Table or Array, but I want to > construct a matrix from other matrices, how to do it? > For example, suppose I would like to construct a matrix M which is composed > of four matrices, A,B,C,D. The element corresponding to the first row and > the first column is A, the first row and second column is B... > I used the M={{A,B},{C,D}} and M={A,B,C,D}, but both of them didn't work. > How? > Thanks for advance. > > Best Regards, > Haibo